Lithographic apparatus and device manufacturing method

A field manipulator to provide high resolution control of position in the XY plane and/or focus control. The field manipulator includes a plate located between the patterning device and the substrate. Control of the XY position is provided by tilting of the plate, while control of the focus position...

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Bibliographische Detailangaben
Hauptverfasser:	Loopstra Erik Roelof, Baselmans Johannes Jacobus Matheus
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	A field manipulator to provide high resolution control of position in the XY plane and/or focus control. The field manipulator includes a plate located between the patterning device and the substrate. Control of the XY position is provided by tilting of the plate, while control of the focus position may be provided by localized deformation of the plate. Both adjustments may be performed by one or more actuators that act upon one or more edges of the plate. In an embodiment, two substantially parallel plates are provided and focus control can be provided by changing the spacing between them. A liquid may be provided between the plates which may be temperature controlled to adjust the focus by changing the refractive index of the liquid.